/**
 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements.  See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The ASF licenses this file to You under the Apache License, Version 2.0
 * (the "License"); you may not use this file except in compliance with
 * the License.  You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 *  Unless required by applicable law or agreed to in writing, software
 *  distributed under the License is distributed on an "AS IS" BASIS,
 *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 *  See the License for the specific language governing permissions and
 *  limitations under the License.
 */
package com.alibaba.rocketmq.client.impl.consumer;

import com.alibaba.rocketmq.common.consumer.ConsumeFromWhere;
import com.alibaba.rocketmq.common.message.MessageQueue;
import com.alibaba.rocketmq.common.protocol.body.ConsumerRunningInfo;
import com.alibaba.rocketmq.common.protocol.heartbeat.ConsumeType;
import com.alibaba.rocketmq.common.protocol.heartbeat.MessageModel;
import com.alibaba.rocketmq.common.protocol.heartbeat.SubscriptionData;

import java.util.Set;


/**
 * Consumer inner interface
 *
 * @author shijia.wxr
 */
public interface MQConsumerInner {
    String groupName();


    MessageModel messageModel();


    ConsumeType consumeType();


    ConsumeFromWhere consumeFromWhere();


    Set<SubscriptionData> subscriptions();


    void doRebalance();


    void persistConsumerOffset();


    void updateTopicSubscribeInfo(final String topic, final Set<MessageQueue> info);


    boolean isSubscribeTopicNeedUpdate(final String topic);


    boolean isUnitMode();


    ConsumerRunningInfo consumerRunningInfo();
}
